15 X 15 SS on my 175 pushes the boat (21 proline WA) at 40MPH at 5400 rpm.
I tried stepping up to a 15X17, but it did not keep the engine at the top of the torque curve and I got lower MPH and RPM.
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Vector I do agree mostly about the verado, IMO they are made for top end tourny guys who got more $$ than god. They want good fuel "mileage" like 4 strokes but the power of 2 strokes.
SO,,,, something has to be done to 4 strokes cause' they just dont have the power to weight ratio. So they supercharged it !!Hey if the SC goes, the sponsor can pay to fix it !!!!
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